Move src/tools/isolate to src/tools/swarm_client as a DEPS.

tools/isolate/tests/trace_inputs/touch_only.py

-#!/usr/bin/env python
-# Copyright (c) 2012 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-"""Uses different APIs to touch a file."""
-
-import os
-import sys
-
-
-BASE_DIR = os.path.dirname(os.path.abspath(__file__))
-
-
-def main():
-  print 'Only look if a file exists but do not open it.'
-  assert len(sys.argv) == 2
-  path = os.path.join(BASE_DIR, 'test_file.txt')
-  command = sys.argv[1]
-  if command == 'access':
-    return not os.access(path, os.R_OK)
-  elif command == 'isfile':
-    return not os.path.isfile(path)
-  elif command == 'stat':
-    return not os.stat(path).st_size
-  return 1
-
-
-if __name__ == '__main__':
-  sys.exit(main())